Mikuni Tm Carburetor Adjustment; Throttle Valve Synchronization - Polaris 340 LX 2007 Service Manual

Fuel System
MIKUNI TM CARBURETOR
ADJUSTMENT

Throttle Valve Synchronization

All throttle valve synchronization adjustments are made to
the MAG throttle valve. The PTO throttle valve is non-
adjustable and considered the base throttle valve.
Throttle valve synchronization can be performed with the
carburetor rack installed or removed from the engine.
1. If running, turn off engine. Remove the air box.
2. Remove the carburetor covers.
3. Hold the throttle bell crank wide open on the
carburetor.
4. The bottoms of each throttle valve should be flush with
the top of the intake bores.
5. If adjustment is required, hold the PTO carburetor
flush with the top of intake bore. Turn the throttle stop
screw in or out to set the PTO throttle slide flush with
the intake bore.
4.12
6. Once the PTO carburetor slide is flush, loosen the
7. While holding the PTO carburetor slide flush to the top
8. Adjust the synchronization nut until it is even with the
9. Once this is flush, lock the locking screw.
10. Replace the carburetor covers.
11. If removed, reinstall the fuel, vent, throttle, and choke
12. Verify and set throttle cable free play.
9923396 - 2007-2012 EDGE/Widetrak LX Service Manual
©2011 Polaris Sales Inc.
Phillips head screw, located under the top cover on
the MAG carburetor.
of the carburetor, rotate the synchronization nut
clockwise to raise the slide and counterclockwise to
lower the slide.
Lock Screw
PTO slide.
hose and cable connections.
Sync Nut